AU2008255866B2 - Method for production of carbon composite metal oxide briquette - Google Patents
Method for production of carbon composite metal oxide briquette Download PDFInfo
- Publication number
- AU2008255866B2 AU2008255866B2 AU2008255866A AU2008255866A AU2008255866B2 AU 2008255866 B2 AU2008255866 B2 AU 2008255866B2 AU 2008255866 A AU2008255866 A AU 2008255866A AU 2008255866 A AU2008255866 A AU 2008255866A AU 2008255866 B2 AU2008255866 B2 AU 2008255866B2
- Authority
- AU
- Australia
- Prior art keywords
- compacts
- fraction
- metal oxide
- briquette machine
- briquette
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 239000004484 Briquette Substances 0.000 title claims description 159
- 229910044991 metal oxide Inorganic materials 0.000 title claims description 72
- 150000004706 metal oxides Chemical class 0.000 title claims description 71
- 238000004519 manufacturing process Methods 0.000 title claims description 47
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title description 2
- 229910052799 carbon Inorganic materials 0.000 title description 2
- 239000002131 composite material Substances 0.000 title 1
- 239000000463 material Substances 0.000 claims description 185
- 239000003575 carbonaceous material Substances 0.000 claims description 67
- 239000000203 mixture Substances 0.000 claims description 54
- 238000002156 mixing Methods 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 33
- 239000002245 particle Substances 0.000 claims description 25
- 239000010419 fine particle Substances 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 20
- 230000000052 comparative effect Effects 0.000 claims 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 50
- 239000000292 calcium oxide Substances 0.000 description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 24
- 235000012255 calcium oxide Nutrition 0.000 description 24
- 239000000428 dust Substances 0.000 description 17
- 239000003245 coal Substances 0.000 description 12
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 11
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 11
- 239000000920 calcium hydroxide Substances 0.000 description 11
- 235000011116 calcium hydroxide Nutrition 0.000 description 11
- 229910052742 iron Inorganic materials 0.000 description 11
- 235000013379 molasses Nutrition 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005469 granulation Methods 0.000 description 6
- 230000003179 granulation Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000005453 pelletization Methods 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000011437 Amygdalus communis Nutrition 0.000 description 1
- 241000220304 Prunus dulcis Species 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 235000020224 almond Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- -1 ferrous metal oxides Chemical class 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000010920 waste tyre Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/244—Binding; Briquetting ; Granulating with binders organic
- C22B1/245—Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/244—Binding; Briquetting ; Granulating with binders organic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/16—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using pocketed rollers, e.g. two co-operating pocketed rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/30—Feeding material to presses
- B30B15/302—Feeding material in particulate or plastic state to moulding presses
- B30B15/308—Feeding material in particulate or plastic state to moulding presses in a continuous manner, e.g. for roller presses, screw extrusion presses
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/248—Binding; Briquetting ; Granulating of metal scrap or alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/02—Working-up flue dust
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007140816 | 2007-05-28 | ||
| JP2007-140816 | 2007-05-28 | ||
| PCT/JP2008/059527 WO2008146734A1 (ja) | 2007-05-28 | 2008-05-23 | 炭材内装酸化金属ブリケットの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2008255866A1 AU2008255866A1 (en) | 2008-12-04 |
| AU2008255866B2 true AU2008255866B2 (en) | 2011-02-03 |
Family
ID=40074984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2008255866A Ceased AU2008255866B2 (en) | 2007-05-28 | 2008-05-23 | Method for production of carbon composite metal oxide briquette |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8636824B2 (ja) |
| EP (2) | EP2172571B1 (ja) |
| JP (2) | JP5551855B2 (ja) |
| KR (1) | KR101171455B1 (ja) |
| CN (2) | CN101680052B (ja) |
| AU (1) | AU2008255866B2 (ja) |
| WO (1) | WO2008146734A1 (ja) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4757844B2 (ja) * | 2007-06-18 | 2011-08-24 | 日本冶金工業株式会社 | 鉄鋼副生物の焙焼還元方法 |
| JP5554481B2 (ja) * | 2008-08-26 | 2014-07-23 | 株式会社神戸製鋼所 | ブリケットの製造方法、還元鉄の製造方法、及び亜鉛もしくは鉛の分離方法 |
| PL386747A1 (pl) * | 2008-12-09 | 2010-06-21 | Pras-Złom Spółka Z Ograniczoną Odpowiedzialnością | Sposób wytwarzania brykietów samoredukujących się ze zgorzeliny walcowniczej |
| JP4757926B2 (ja) * | 2009-03-04 | 2011-08-24 | 日本冶金工業株式会社 | 鉄鋼副生成物の焙焼還元装置および鉄鋼副生物の焙焼還元方法 |
| JP2011042870A (ja) | 2009-07-21 | 2011-03-03 | Kobe Steel Ltd | アルカリ含有製鉄ダストを原料とする還元鉄の製造装置および製造方法 |
| JP5466590B2 (ja) | 2009-07-21 | 2014-04-09 | 株式会社神戸製鋼所 | 炭材内装塊成化物を用いた還元鉄製造方法 |
| JP2012067351A (ja) * | 2010-09-22 | 2012-04-05 | Kobe Steel Ltd | 塊成物の製造装置、および塊成物の製造方法 |
| UA107616C2 (uk) * | 2010-11-30 | 2015-01-26 | Мідрекс Текнолоджиз, Інк. | Електрична піч для виробництва розплавленого металу, яка має здатність повторно використовувати матеріал |
| JP5475630B2 (ja) * | 2010-12-15 | 2014-04-16 | 株式会社神戸製鋼所 | 還元鉄製造用塊成物、およびその製造方法 |
| US8696790B2 (en) * | 2011-07-27 | 2014-04-15 | Conecsus Llc | Conversion of organic wastes into a reducing agent—coke substitute |
| CN104561532A (zh) * | 2014-12-17 | 2015-04-29 | 山东钢铁集团淄博张钢有限公司 | 转炉直接炼钢用含碳铁料机械压球制备工艺 |
| JP6591238B2 (ja) * | 2015-09-08 | 2019-10-16 | 株式会社日向製錬所 | ブリケットの製造方法及び製造装置 |
| CN106834737B (zh) * | 2016-12-29 | 2018-11-16 | 荆门市格林美新材料有限公司 | 一种电路板热解产物压块及其制备方法 |
| US10125007B2 (en) | 2017-02-16 | 2018-11-13 | Michael G. Reinke | Material distribution system |
| AT521739A3 (de) * | 2018-09-24 | 2021-06-15 | Anrin Bhattacharyya | Verfahren und Vorrichtung zum Recycling von Stahlwerksabfällen aus der Stahlproduktion |
| SE545339C2 (en) * | 2021-11-11 | 2023-07-11 | Hybrit Development Ab | An apparatus for producing hot briquetted iron |
| JP2023081117A (ja) * | 2021-11-30 | 2023-06-09 | 株式会社日向製錬所 | ロータリーキルンの操業方法、及び、フェロニッケルの製錬方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05339656A (ja) * | 1992-06-05 | 1993-12-21 | Sintokogio Ltd | ブリケットマシン |
| JPH11229047A (ja) * | 1998-02-07 | 1999-08-24 | Nippon Jiryoku Senko Kk | 製鉄用原料及びその製造方法 |
| JP2007056306A (ja) * | 2005-08-24 | 2007-03-08 | Jfe Steel Kk | 焼結鉱の製造方法および焼結鉱の製造用擬似粒子 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1228176A (fr) * | 1959-03-03 | 1960-08-26 | Longwy Acieries | Procédé d'agglomération de matières pulvérulentes métallifères |
| US3753684A (en) * | 1971-08-30 | 1973-08-21 | Koninklijke Hoogovens En Staal | Method for the manufacturing of baked ore pellets |
| US3848744A (en) * | 1972-12-04 | 1974-11-19 | J Flaherty | Green pellet sizing screen |
| JPS559047B2 (ja) | 1974-01-24 | 1980-03-07 | ||
| US4001007A (en) * | 1973-12-31 | 1977-01-04 | Nippon Steel Corporation | Material for sintering emitting a lesser amount of nitrogen oxide and a method for manufacturing the same |
| JPS589936A (ja) * | 1981-07-10 | 1983-01-20 | Nippon Kokan Kk <Nkk> | 塊成鉱製造法 |
| JP2692129B2 (ja) | 1988-04-28 | 1997-12-17 | 日本鋼管株式会社 | 焼結鉱の篩分け方法およびその装置 |
| US5009707A (en) * | 1989-02-13 | 1991-04-23 | Nkk Corporation | Method for manufacturing agglomerates of sintered pellets |
| JPH07157827A (ja) * | 1993-12-07 | 1995-06-20 | Nkk Corp | 非焼成塊成鉱の製造方法 |
| JPH09192896A (ja) | 1996-01-19 | 1997-07-29 | Sintokogio Ltd | ブリケットマシン |
| DE19708376C1 (de) * | 1997-03-01 | 1998-07-02 | Gasteier & Bilke Verfahrenstec | Verwendung eines Briketts aus Abfallmaterialien als Zuschlagstoff für Schmelzöfen einer Eisengießerei |
| JP3754553B2 (ja) | 1997-07-22 | 2006-03-15 | 株式会社神戸製鋼所 | 還元鉄用塊成化物およびその製造方法 |
| TW495552B (en) * | 1997-12-18 | 2002-07-21 | Kobe Steel Ltd | Method of producing reduced iron pellets |
| ATE204523T1 (de) | 1999-03-08 | 2001-09-15 | Alstom Schweiz Ag | Fräsverfahren |
| CN1073633C (zh) * | 1999-09-29 | 2001-10-24 | 冶金工业部钢铁研究总院 | 炼铁用球团烧结矿的制造方法 |
| US6802886B2 (en) * | 2000-06-05 | 2004-10-12 | Midrex Technologies, Inc. | Method of producing a metallized briquette |
| JP3502064B2 (ja) | 2000-08-30 | 2004-03-02 | 株式会社神戸製鋼所 | 製鉄原料の塊成化物製造方法 |
| CN1246485C (zh) * | 2000-10-30 | 2006-03-22 | 新日本制铁株式会社 | 用于还原炉的含氧化金属的未加工颗粒的制造方法及其还原方法 |
| AUPR678301A0 (en) * | 2001-08-02 | 2001-08-23 | Commonwealth Scientific And Industrial Research Organisation | Iron ore briquetting |
| JP2003129140A (ja) * | 2001-08-10 | 2003-05-08 | Nippon Steel Corp | 還元用回転炉床向け成型物の製造方法 |
| JP4438297B2 (ja) * | 2003-03-10 | 2010-03-24 | 株式会社神戸製鋼所 | 還元金属の製造方法および炭材内装塊成物 |
| JP4532313B2 (ja) | 2005-03-07 | 2010-08-25 | 株式会社神戸製鋼所 | 炭材内装塊成化物の製造方法 |
| JP4214157B2 (ja) * | 2006-04-25 | 2009-01-28 | 株式会社神戸製鋼所 | 溶鉄製造方法および溶鉄製造装置 |
-
2008
- 2008-05-23 WO PCT/JP2008/059527 patent/WO2008146734A1/ja not_active Ceased
- 2008-05-23 AU AU2008255866A patent/AU2008255866B2/en not_active Ceased
- 2008-05-23 CN CN2008800168005A patent/CN101680052B/zh not_active Expired - Fee Related
- 2008-05-23 EP EP08764573.5A patent/EP2172571B1/en not_active Not-in-force
- 2008-05-23 US US12/602,125 patent/US8636824B2/en not_active Expired - Fee Related
- 2008-05-23 CN CN201110258360.8A patent/CN102260790B/zh not_active Expired - Fee Related
- 2008-05-23 KR KR1020097027027A patent/KR101171455B1/ko not_active Expired - Fee Related
- 2008-05-23 EP EP20130001551 patent/EP2615185A1/en not_active Withdrawn
- 2008-05-27 JP JP2008138350A patent/JP5551855B2/ja active Active
-
2013
- 2013-07-03 JP JP2013139929A patent/JP2013224494A/ja not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05339656A (ja) * | 1992-06-05 | 1993-12-21 | Sintokogio Ltd | ブリケットマシン |
| JPH11229047A (ja) * | 1998-02-07 | 1999-08-24 | Nippon Jiryoku Senko Kk | 製鉄用原料及びその製造方法 |
| JP2007056306A (ja) * | 2005-08-24 | 2007-03-08 | Jfe Steel Kk | 焼結鉱の製造方法および焼結鉱の製造用擬似粒子 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008146734A1 (ja) | 2008-12-04 |
| EP2172571B1 (en) | 2016-09-28 |
| KR20100011990A (ko) | 2010-02-03 |
| AU2008255866A1 (en) | 2008-12-04 |
| EP2615185A1 (en) | 2013-07-17 |
| CN101680052B (zh) | 2013-03-13 |
| JP5551855B2 (ja) | 2014-07-16 |
| JP2013224494A (ja) | 2013-10-31 |
| US8636824B2 (en) | 2014-01-28 |
| US20100175510A1 (en) | 2010-07-15 |
| CN102260790B (zh) | 2014-07-02 |
| KR101171455B1 (ko) | 2012-08-06 |
| EP2172571A4 (en) | 2012-03-28 |
| JP2009007667A (ja) | 2009-01-15 |
| EP2172571A1 (en) | 2010-04-07 |
| CN101680052A (zh) | 2010-03-24 |
| CN102260790A (zh) | 2011-11-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGA | Letters patent sealed or granted (standard patent) | ||
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |